Question

(+4/20) : (-2/10)

(-1/9) : (3/2)

(+4/20) • (+2/8)

(1/9) • (+3/7)
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Answer 1

Resposta:

Explicação passo-a-passo:

1) 4/20 * 10/2 = 40/40 =>-1

2) -1/9 * 2/3 = -2/27

3) 4/20 * 2/8 = 8/80 => 1/20

4)1/9 * 3/7 = 3/63 => 1/21